package com.qiang.demo05.service;

import com.qiang.demo05.dao.IstudentDao;
import com.qiang.demo05.domain.Student;

import java.util.ArrayList;

public interface IstudentService {

    //增加
    void addStudent(Student st);


    //删除
    void deleteStudent(String id);


    //修改
    void updateStudent(String id, Student newst);


    //查看
    ArrayList<Student> findStudent();

    public boolean Exit(String id);

}
